如何为STM32编译libbson？
我正在交叉编译libbson，以便将其作为库包含到STM32CubeIDE中，用于STM32 ARM核心处理器。已经指定了工具链。我尝试使用ARM的工具链进行编译（在Ubuntu和Windows上都试过）。在用MinGW Makefiles生成Makefile后，编译失败（在Ubuntu和Windows平台上同样出现此错误）：
[ 1%] Building C object src/libbson/CMakeFiles/bson_shared.dir/src/bson/bcon.c.obj
In file included from C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bson-compat.h:75,
from C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bson.h:23,
from C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.h:26,
from C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c:24:
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c: In function '_bcon_append_tokenize':
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c:470:27: warning: 'bcon_type_t' is promoted to 'int' when passed through '...'
470 | type = va_arg (*ap, bcon_type_t);
| ^
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c:470:27: note: (so you should pass 'int' not 'bcon_type_t' to 'va_arg')
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c:470:27: note: if this code is reached, the program will abort
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c:486:40: warning: 'bson_subtype_t' is promoted to 'int' when passed through '...'
486 | u->BIN.subtype = va_arg (*ap, bson_subtype_t);
| ^
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c:486:40: note: if this code is reached, the program will abort
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c: In function '_bcon_extract_tokenize':
C:\Users\blast\CodeSandbox\bson2\mongo-c-driver\src\libbson\src\bson\bcon.c:602:27: warning: 'bcon_type_t' is promoted to 'int' when passed through '...'
602 | type = va_arg (*ap, bcon_type_t);
| ^
|
|
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